21172226

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{281}}^1\times {\mathrm{373}}^1$

素因数の和:757

約数の個数: 16

約数和(自身を含む): 32273208

約数和(自身を除く): 11100982

約数列:

[1, 2, 101, 202, 281, 373, 562, 746, 28381, 37673, 56762, 75346, 104813, 209626, 10586113, 21172226]

約数ペア:

[(1, 21172226), (2, 10586113), (101, 209626), (202, 104813), (281, 75346), (373, 56762), (562, 37673), (746, 28381)]